/* Runfinity: a clear guide with the rhythm of endurance sport. */
html{overflow-anchor:none}
.button{border-radius:6px}.nav-contact{background:var(--night);color:white;border-color:var(--night);border-radius:6px}.nav-contact:hover{background:var(--purple);color:white}.site-header{border-bottom:2px solid var(--night)}
.home-hero{border-radius:14px;padding:52px 48px;background:var(--night);gap:44px}.home-hero:before{width:590px;height:590px;right:-125px;bottom:-320px;border:2px solid rgba(255,255,255,.12);box-shadow:0 0 0 25px rgba(255,255,255,.025),0 0 0 52px rgba(255,255,255,.04),0 0 0 79px rgba(255,255,255,.025)}.home-hero:after{width:22px;height:135%;right:47%;top:-15%;bottom:auto;border:0;border-radius:0;background:var(--red);opacity:.16;transform:skewX(-19deg)}.home-hero h1{font-size:clamp(43px,5vw,65px);font-style:italic;font-weight:900;letter-spacing:-.06em;line-height:.98}.home-hero .eyebrow{color:white;opacity:.75;font-size:9px}.hero-line:after{width:63px;height:5px;transform:skewX(-24deg);margin-top:24px}.hero-copy>p:not(.eyebrow){font-size:14px;max-width:420px}.sport-signature{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:30px;font-size:9px;text-transform:uppercase;letter-spacing:.12em;font-weight:800}.sport-signature i{color:var(--red);font-size:19px;font-style:normal;line-height:1}.hero-actions{gap:10px}.help-action{border-radius:7px;background:rgba(255,255,255,.045);padding:18px 15px}.help-action .num{font-size:22px;font-weight:900;font-style:italic;color:rgba(255,255,255,.4);letter-spacing:-.07em;min-width:28px}.help-action strong{font-size:14px}.help-action small{font-size:11px}.response-footnote{font-size:9px;color:rgba(255,255,255,.6);margin:0;padding-left:4px}.reassurance-strip{font-size:10px;gap:30px;padding:20px 0}.section-head h2{font-style:italic;font-size:clamp(30px,3.8vw,44px);max-width:650px}.guides-section{padding-top:55px}.product-card{border-radius:12px}.card-top{position:relative}.card-index{font-size:33px;line-height:1;font-weight:900;font-style:italic;letter-spacing:-.08em;color:var(--purple)}.card-tag{border-radius:3px}.card-product-image{position:relative;background:repeating-linear-gradient(113deg,transparent 0 43px,rgba(41,35,92,.045) 44px 45px,transparent 46px 88px);margin-top:10px}.card-product-image img{position:relative;z-index:1}.card-copy h3{font-style:italic}.card-link{font-size:12px}.product-card:hover{border-color:var(--red);box-shadow:0 10px 28px rgba(41,35,92,.1)}.trouble-entry{border-radius:10px;border-left:4px solid var(--red)}
.expert-callout{margin-top:50px;padding:39px 40px;display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center;background:var(--purple);color:white;position:relative;overflow:hidden;border-radius:12px;scroll-margin-top:115px}.expert-callout:before{content:"";position:absolute;width:310px;height:310px;right:-150px;bottom:-225px;border:1px solid rgba(255,255,255,.2);border-radius:50%;box-shadow:0 0 0 21px rgba(255,255,255,.04),0 0 0 42px rgba(255,255,255,.04),0 0 0 63px rgba(255,255,255,.04)}.expert-callout-copy,.expert-callout-action{position:relative;z-index:1}.expert-callout .eyebrow{color:rgba(255,255,255,.7);font-size:9px;margin-bottom:14px}.expert-callout h2{font-size:32px;font-style:italic;line-height:1.1;margin-bottom:17px}.expert-callout p:not(.eyebrow){font-size:13px;line-height:1.8;color:rgba(255,255,255,.8);max-width:590px}.expert-callout .reply-promise{font-weight:700;font-size:11px!important;color:white!important;margin-bottom:0}.expert-callout-action{display:flex;flex-direction:column;gap:12px;align-items:center}.expert-callout-action>span{font-size:9px;color:rgba(255,255,255,.65)}
.about-section{grid-template-columns:.8fr 1.2fr;gap:55px;max-width:1100px;margin-block:65px}.about-copy h2{font-style:italic;font-size:34px}.brand-terrain{min-height:310px;position:relative;overflow:hidden;background:var(--night);color:white;border-radius:12px;padding:27px;display:flex;flex-direction:column;justify-content:space-between;isolation:isolate}.terrain-kicker{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.15em}.brand-terrain>strong{font-size:57px;line-height:.94;font-style:italic;letter-spacing:-.07em;font-weight:900;position:relative;z-index:1}.terrain-caption{font-size:10px;color:rgba(255,255,255,.7);position:relative;z-index:1}.terrain-lines{position:absolute;width:340px;height:340px;right:-230px;top:90px;border:2px solid var(--red);border-radius:50%;box-shadow:0 0 0 21px rgba(255,255,255,.08),0 0 0 43px rgba(255,255,255,.08),0 0 0 65px rgba(255,255,255,.08),0 0 0 87px rgba(255,255,255,.08);z-index:-1}
.product-tabs a{border-radius:5px}.product-tabs a[aria-current=page]{background:var(--purple);border-color:var(--purple)}.product-hero{position:relative;isolation:isolate;background:var(--night);color:white;border:0;border-radius:14px;margin-top:23px;padding:38px 38px;gap:36px;overflow:hidden;grid-template-columns:1.15fr 1fr}.product-hero:before{content:"";position:absolute;z-index:-1;width:580px;height:580px;right:-200px;top:-275px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 25px rgba(255,255,255,.035),0 0 0 51px rgba(255,255,255,.045),0 0 0 77px rgba(255,255,255,.035)}.product-hero:after{content:"";position:absolute;left:0;top:30px;width:5px;height:64px;background:var(--red);transform:skewY(-20deg)}.product-hero h1{font-style:italic;font-weight:900;font-size:clamp(43px,5vw,66px);letter-spacing:-.06em;margin-bottom:21px}.product-hero h1 span{font-size:22px;font-style:normal;font-weight:400;line-height:1.3;letter-spacing:-.03em;margin-top:15px}.product-hero .eyebrow{color:rgba(255,255,255,.65);font-size:9px}.product-hero p:not(.eyebrow){color:rgba(255,255,255,.75);font-size:14px}.product-hero .button-dark{background:white;color:var(--night)}.product-hero .button-dark:hover{background:rgba(255,255,255,.9)}.product-hero .button-outline{background:transparent;border-color:rgba(255,255,255,.4);color:white}.product-hero .button-outline:hover{background:rgba(255,255,255,.1)}.product-hero-actions .button{font-size:11px;padding:13px 16px;gap:14px}.hero-product-frame{background:white;border:0;border-radius:10px;height:300px}.hero-product-frame:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(113deg,transparent 0 42px,rgba(41,35,92,.04) 43px 44px,transparent 45px 86px)}.hero-product-frame>img{position:relative;height:275px;width:275px}.hero-product-frame.flask>img{height:260px;width:260px}.frame-caption{color:var(--purple);font-size:8px}.guide-content{padding-top:38px}.guide-side a{transition:color .15s,border-color .15s}.guide-side a:hover{color:var(--purple);border-bottom-color:var(--red)}.guide-side .side-contact{background:var(--night);color:white;border-radius:5px}.guide-block h2{font-style:italic}.guide-block>.eyebrow{border-left:3px solid var(--red);padding-left:9px}.dose-option{border-radius:7px;transition:background .15s}.dose-option[aria-pressed=true]{background:var(--purple);color:white;border-color:var(--purple);position:relative}.dose-option[aria-pressed=true] strong{color:white}.dose-option[aria-pressed=true] span{color:rgba(255,255,255,.8)}.dose-option[aria-pressed=true]:after{content:"";position:absolute;top:12px;right:10px;width:5px;height:17px;background:var(--red);transform:skewX(-20deg)}.dose-result{border-radius:8px;border:0;border-left:3px solid var(--purple)}.steps{counter-reset:run-step;gap:15px;margin-top:31px}.step{counter-increment:run-step;padding-top:11px}.step:before{content:"0" counter(run-step);position:absolute;top:0;left:4px;font-size:14px;font-weight:900;font-style:italic;letter-spacing:-.06em;color:var(--purple);line-height:1}.step-icon{width:70px;height:70px;padding:8px;background:rgba(41,35,92,.035);border-radius:6px}.step:not(:last-child):after{top:35px}.step strong{font-size:12px}.guide-note{border-radius:0 7px 7px 0}.split-info h3{font-style:italic;font-size:21px}.ingredient-item{border-bottom-color:rgba(41,35,92,.12)}.ratio{background:var(--night);color:white;border-radius:9px;padding:22px}.ratio-bars i{background:white}.ratio p{color:white}
.calculator-band{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:19px 21px;border:1px solid var(--line);border-radius:8px;margin:23px 0}.calculator-band strong{font-size:14px;line-height:1.4;display:block}.calculator-band p{font-size:11px;line-height:1.7;color:var(--muted);margin:5px 0 0}.calculator-link{display:inline-flex;align-items:center;gap:18px;flex-shrink:0;padding:11px 13px;border:1px solid var(--purple);border-radius:5px;font-size:11px;line-height:1.4;font-weight:700;text-decoration:none;color:var(--purple)}.calculator-link:hover{background:var(--purple);color:white}.calculator-link span{font-size:19px;line-height:1}.trouble-answer>.calculator-link,.faq-answer>.calculator-link{margin:0 18px 17px 0}.trouble-answer>.faq-action,.faq-answer>.faq-action{display:block}
.flavour-card{position:relative;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;background:var(--purple);color:white;border-radius:12px;overflow:hidden;padding:30px;margin:27px 0 3px;isolation:isolate}.flavour-card:before{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.17);border-radius:50%;right:-90px;top:-100px;box-shadow:0 0 0 23px rgba(255,255,255,.025),0 0 0 46px rgba(255,255,255,.025);z-index:-1}.flavour-copy{position:relative;z-index:1}.flavour-copy .eyebrow{font-size:8px;color:rgba(255,255,255,.7);line-height:1.6;margin-bottom:13px}.flavour-copy h3{font-size:47px;line-height:.94;letter-spacing:-.055em;font-style:italic;font-weight:900;margin-bottom:20px}.flavour-copy h3 em{font-style:inherit}.flavour-copy>p:not(.eyebrow){font-size:12px;line-height:1.8;color:rgba(255,255,255,.85);margin-bottom:20px}.flavour-tag{display:inline-block;font-size:9px;border-top:1px solid rgba(255,255,255,.3);padding-top:10px;color:white}.flavour-card>img{width:100%;max-width:330px;transform:scale(1.23);transform-origin:center;justify-self:center}.trouble-item summary{font-size:15px}.trouble-number{font-style:italic;font-size:25px}.trouble-item[open] summary{color:var(--purple)}.trouble-label{letter-spacing:.05em}.trouble-note{border-radius:0 6px 6px 0}.trouble-followup{border-radius:7px}.faq-item[open]{border-bottom-color:var(--purple)}.faq-item[open] summary{color:var(--purple)}.contact-band{border-radius:8px}.contact-section{position:relative;overflow:hidden}.contact-section:before{content:"";position:absolute;pointer-events:none;width:700px;height:700px;border:1px solid rgba(255,255,255,.08);border-radius:50%;left:-460px;top:120px;box-shadow:0 0 0 28px rgba(255,255,255,.025),0 0 0 57px rgba(255,255,255,.025),0 0 0 85px rgba(255,255,255,.025)}.contact-intro h2{font-style:italic}.contact-intro .contact-note{border-left:3px solid var(--red);padding-left:18px}.contact-note .note-symbol{display:none}.contact-note strong{font-size:15px}.contact-note p{color:rgba(255,255,255,.85)}#contact-form{position:relative;border-radius:12px}.send-button{background:var(--purple)}.send-button:hover{background:var(--night)}
@media(max-width:1050px){.home-hero{padding:35px 30px;gap:26px}.home-hero h1{font-size:49px}.hero-copy>p:not(.eyebrow){font-size:13px}.help-action strong{font-size:13px}.help-action small{font-size:10px}.help-action .num{font-size:20px}.hero-actions .eyebrow{font-size:8px}.sport-signature{gap:9px;font-size:8px}.section-head{align-items:start}.section-head>p{max-width:245px;font-size:12px}.expert-callout{grid-template-columns:1fr;padding:32px;gap:22px}.expert-callout-action{align-items:flex-start;flex-direction:row;gap:17px}.expert-callout-action>span{align-self:center}.product-hero{padding:30px;gap:25px}.product-hero h1{font-size:47px}.hero-product-frame{height:270px}.hero-product-frame>img{height:250px;width:250px}.hero-product-frame.flask>img{height:235px;width:235px}.product-hero h1 span{font-size:20px}.about-section{gap:32px}.brand-terrain{padding:25px;min-height:285px}.brand-terrain>strong{font-size:48px}.about-copy h2{font-size:30px}.calculator-band{display:block}.calculator-band .calculator-link{margin-top:15px}.flavour-card{padding:24px;grid-template-columns:1fr 1fr}.flavour-copy h3{font-size:42px}.flavour-copy>p:not(.eyebrow){font-size:11px}.flavour-card>img{transform:scale(1.38)}}
@media(max-width:760px){.site-header{border-bottom-width:1px}.site-header nav{box-shadow:0 10px 25px rgba(0,0,45,.08)}.site-header .nav-contact{color:white;padding:12px}.home-hero{padding:33px 25px;border-radius:11px;gap:28px}.home-hero h1{font-size:clamp(40px,11.5vw,61px);line-height:.99}.home-hero .eyebrow{font-size:8px;max-width:230px;line-height:1.6}.hero-copy>p:not(.eyebrow){font-size:13px}.sport-signature{margin-top:24px;gap:10px;font-size:8px}.home-hero:after{right:18%;opacity:.12;width:17px}.home-hero:before{right:-300px;bottom:-300px}.help-action{padding:15px 13px}.help-action strong{font-size:13px}.help-action small{font-size:10px}.help-action .num{font-size:23px;min-width:29px}.hero-actions .response-footnote{font-size:8px}.reassurance-strip{font-size:9px;gap:8px 12px;padding:19px 0}.guides-section{padding-top:37px}.section-head h2{font-size:32px;max-width:400px}.section-head>p{max-width:100%;font-size:13px}.product-card{border-radius:10px}.card-product-image{margin-top:0;background:repeating-linear-gradient(113deg,transparent 0 32px,rgba(41,35,92,.04) 33px 34px,transparent 35px 66px)}.card-copy{position:relative;background:white}.card-top{background:white;padding-top:20px}.card-copy h3{font-size:25px}.expert-callout{margin-top:34px;padding:28px 23px;border-radius:10px;gap:21px;scroll-margin-top:95px}.expert-callout h2{font-size:29px}.expert-callout p:not(.eyebrow){font-size:12px}.expert-callout .reply-promise{font-size:10px!important}.expert-callout-action{flex-direction:column;align-items:stretch;gap:10px}.expert-callout-action .button{justify-content:space-between}.expert-callout-action>span{align-self:start}.about-section{margin-block:42px;flex-direction:column;align-items:stretch;gap:25px}.brand-terrain{min-height:220px;padding:25px}.brand-terrain>strong{font-size:48px}.terrain-lines{top:-15px;right:-205px}.about-copy h2{font-size:30px}.product-tabs a{font-size:10px}.product-hero{grid-template-columns:1fr;padding:28px 23px;border-radius:11px;margin-top:18px;gap:24px}.product-hero .eyebrow{font-size:8px}.product-hero h1{font-size:48px}.product-hero h1 span{font-size:21px}.product-hero p:not(.eyebrow){font-size:13px}.product-hero-actions{margin-top:21px;gap:8px}.product-hero-actions .button{font-size:10px;padding:12px;gap:10px}.hero-product-frame{height:225px}.hero-product-frame>img{width:215px;height:215px}.hero-product-frame.flask>img{width:205px;height:205px}.frame-caption{font-size:7px;bottom:11px;left:14px;right:14px}.guide-content{padding-top:26px}.guide-side{gap:6px;margin-bottom:28px}.guide-side a{font-size:9px;padding:8px 10px;border-radius:4px}.guide-block h2{font-size:29px}.guide-block>.eyebrow{font-size:8px;padding-left:7px}.dose-option[aria-pressed=true]:after{height:12px;width:3px;right:7px;top:10px}.dose-option strong{font-size:27px}.dose-result{padding:18px 16px}.steps{gap:24px 16px}.step:before{left:6px;font-size:14px}.step-icon{width:68px;height:68px}.step:nth-child(odd):after{top:35px}.calculator-band{padding:18px}.calculator-band strong{font-size:13px}.calculator-band p{font-size:11px}.calculator-link{font-size:11px;padding:11px 13px}.flavour-card{grid-template-columns:1fr;gap:0;padding:28px 24px 12px;margin-top:23px}.flavour-copy .eyebrow{font-size:8px}.flavour-copy h3{font-size:47px}.flavour-copy h3 br{display:none}.flavour-copy h3 em{margin-left:.15em}.flavour-copy>p:not(.eyebrow){font-size:12px;max-width:270px;margin-bottom:14px}.flavour-card>img{max-width:250px;transform:scale(1.12);margin-top:-4px;justify-self:end}.flavour-tag{font-size:9px}.ratio{padding:19px;gap:15px}.trouble-item summary{font-size:14px}.trouble-number{font-size:22px}.contact-intro h2{font-size:39px}.contact-intro .contact-note{padding:17px 0 17px 15px}.contact-note strong{font-size:14px}.contact-note p{font-size:12px}.contact-grid{gap:28px}.form-kicker{font-size:8px}.form-required{font-size:8px}}